using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Program
{
    internal class Doboz
    {
        public char Type { get; set; }
        
        public Doboz Children = null;

        public Doboz Parent = null;

        public Doboz(char Type) { 
            this.Type = Type;
        }

        public void AddChildren(Doboz doboz)
        {
            doboz.Parent = this;
            this.Children = doboz;
        }

        public void PrintBoxContent(int indent = 0)
        {
            string indentStr = "";
            for (int i = 0; i < indent; i++)
            {
                indentStr += "->";
            }
            
            Console.WriteLine($"{indentStr}{this.Type}");
            if (this.Children != null)
            {
                this.Children.PrintBoxContent(indent + 1);
            }
        }
    }
}